REINFORCING MATERIAL OF CAGE, JOINT JIG OF MAIN REINFORCEMENT AND MANUFACTURING METHOD OF CAGE MAKING USE THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a joint jig for easily connecting a main reinforcement in a cage to a reinforcing material such as reinforcing ring or the like without using any welding means and a manufacturing method of the cage making use thereof.;SOLUTION: A plate-like body is folded back in a U-shape to form right and left side pieces, a U-shaped bending section is used as a main reinforcement insertion section 2, the right and left side pieces are further extended from an intermediate section to the end section in the direction of the length of the main reinforcement insertion section 2 to form a projecting piece 5, a reinforcing material insertion notch 6 is provided from one side edge of the extension of the projecting piece 5, a fixing bolt 4 is pivoted on the main reinforcement insertion section 2 to form the joint jig 1, and for the manufacturing method of the cage making use of the joint jig 1, the connection of the main reinforcement and hoops and the connection of lap joint parts of the hoops are bound by means of a binding jig.;COPYRIGHT: (C)2002,JPO